(Russian Plozk), a government of the Russian empire, in the kingdom of Poland, lying between N. Lat. 52° 15' and 53° 30', E.Long. 18° 45' and 22° 35'; and bounded on the E. by the government of Augustovo, S. by those of Lublin and Warsaw, W. and N. by Prussia; area, 6742 square miles. The Bug and the Vistula bound it on the S. and W., and the Narew, an affluent of the former river, flows through it from N. to S. A large part of the country is occupied with woods and marshes; but some parts of it consist of fine meadows and rich arable land. The government is divided into six circles. Pop. (1851) 548,406, including 30,803 Germans.

chief town of the above government, on the right bank of the Vistula, 50 miles N.W. of Warsaw. It is well built on a hill in a fertile region; and contains an ancient cathedral with many interesting monuments, other Roman Catholic churches, and a Reformed church, several convents, an episcopal palace, schools of various kinds, an orphan hospital, lunatic asylum, and a theatre. A trade in corn, hides, &c., is actively carried on with Dantzig and other places. Pop. (1834) 12,728.